Home / 20,251.97-27,947.68-11,298.94

Finding the Fourth Proportional to 20,251.97, 27,947.68 and 11,298.94

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Solution

The fourth proportional to 20,251.97, 27,947.68 and 11,298.94 is: 15,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.97 : 27,947.68 = 11,298.94 : x
  2. Step 2: Convert to fraction form
    20,251.97/27,947.68 = 11,298.94/x
  3. Step 3: Cross multiply
    20,251.97x = 27,947.68 × 11,298.94
  4. Step 4: Simplify right side
    20,251.97x = 315,779,159.46
  5. Step 5: Solve for x
    x = 315,779,159.46/20,251.97
  6. Step 6: Final answer
    x = 15,592.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.